GB 20840.2-2014
Instrument transformers.Part 2:Additional requirements for current transformers (English Version)

Standard No.

GB 20840.2-2014

Language

Chinese, Available in English version

Release Date

2014

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB 20840.2-2014

Replace

GB 1208-2006 GB 16847-1997

Scope

This part of GB 20840 applies to newly manufactured electromagnetic current transformers for electrical measuring instruments or/and electrical protection devices with a frequency of 15 Hz to 100 Hz.

GB 20840.2-2014 Referenced Document

• GB 20840.1-2010 Instrument transformers-Part 1:General requirements

GB 20840.2-2014 history

• 2014 GB 20840.2-2014 Instrument transformers.Part 2:Additional requirements for current transformers
• 2006 GB 1208-2006 Current transformers
• 1997 GB 16847-1997 Requirements for protective current transformers for transient performance
• 0000 GB 1208-1987

GB 20840.2-2014 Instrument transformers.Part 2:Additional requirements for current transformers has been changed from GB 1208-2006 Current transformers.

GB 20840.2-2014 Instrument transformers.Part 2:Additional requirements for current transformers has been changed from GB 16847-1997 Requirements for protective current transformers for transient performance.

GB 20840.2-2014 -All Parts